I routinely take my pre-boil gravity after sparging to determine mash efficiency so that I can throw in DME or Dextrose for a lower than expected yield or add water for a higher than expected yield, ...

I brewed my first all grain batch this past weekend and everything went pretty smooth except my OG was 1.050 instead of the 1.056 I was expecting.
Would this be a sparging issue? I had calculated a ...

Okay, so my friend and me made an experiment yesterday. We wanted to brew a >20%, 300+ IBU IIPA.
Yeah yeah... I know :)
Now to the question. We used 10.5kg of grain for 26.25 liters of water for the ...

Hope this doesn't sound like too daft a question... but I'm English and a noob so please humour me :)
When I am reading recipes, brewing instructions, calculations, etc. from American documentation ...

I'm still new to the all-grain scene and I've messed up my sparge more than once, leaving me with a pre-boil gravity that is too low. I got to thinking, if I fall short (in pre-boil gravity) in the ...

I'm trying to understand the difference between Mash Efficiency and Brewhouse Efficiency.
Is Brewhouse Efficiency essentially the efficiency of Mashing AND Lautering, whereas Mash efficiency would be ...

I recently achieved a 94% mash efficiency on a batch of Saison and was pretty stoked thinking, wow, 94% is much better than the the 72% I did last time. I must be getting better at this...
But then ...

I just put my second AG batch into the primary, but I ran into an issue I need some help with.
When I did my first AG batch, I used water that was treated by a water softener (I know, I know...it was ...

For the few years I've been brewing AG, I've used batch sparging with a 70qt cooler. But this year I've built a new brewery which is equipped for fly sparging, so I'm trying that.
With fly sparging, ...

While answering another question, about mash temperature, the question about conversion and how long it takes came up.
So what is conversion? I think we all know its the process of enzymes converting ...

Do you really need a sprinkler of some sort to sparge?
Does it really improve the lautering process?
How fancy does a sparge arm need to be, does it really have to rotate or can it just sprinkle all ...